package com.tonglin.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.tonglin.commonutils.R;
import com.tonglin.eduservice.entity.EduTeacher;
import com.tonglin.eduservice.entity.vo.TeacherQuery;
import com.tonglin.eduservice.service.EduTeacherService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2021-05-03
 */
@Api(description = "讲师管理")
@RestController
@RequestMapping("/eduservice/teacher")
@CrossOrigin  //解决跨域
public class EduTeacherController {

    //把servic注入
    @Autowired
    private EduTeacherService teacherService;

    //1.查询讲师多有数据
    //rest风格
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll")
    public R findAllTeacher(){
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items",list);
    }
    //2.逻辑删除讲师的方法
    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(@ApiParam(name="id",value = "讲师id",required = true) @PathVariable String id){
        System.out.println("------"+id);
        boolean flag = teacherService.removeById(id);
        System.out.println("查数据"+teacherService.getById(id));
        if (flag){
            return R.ok();
        }else {
            return R.error();
        }
    }
    //3.分页查询讲师的方式
    //current 当前页
    //limit 每页记录数
    @ApiOperation(value = "分页查询讲师")
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,@PathVariable long limit){

        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);

        //调用方法实现分页
        //调用方法，底层封装，把分页所有数据封装到pageTeacher对象里面
        teacherService.page(pageTeacher,null);

        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();  //数据list集合

        return R.ok().data("total",total).data("rows",records);


    }

    @ApiOperation(value = "按条件查询讲师")
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current, @PathVariable long limit, @RequestBody(required = false) TeacherQuery teacherQuery){

        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);

        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        //多条件组合查询
        //mybatis学过 动态sql
        //判断条件值是否为空，如果不为空，拼接条件

        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();

        //判断条件是否为空，如果不为空拼接条件
        if (!StringUtils.isEmpty(name)){
            //构造条件
//            System.out.println(name);
            wrapper.like("name",name);
        }
        if (!StringUtils.isEmpty(level)){
//            System.out.println(level);
            wrapper.eq("level",level);
        }
        if (!StringUtils.isEmpty(begin)){
//            System.out.println(begin);
            wrapper.ge("gmt_create",begin);
        }
        if (!StringUtils.isEmpty(end)){
//            System.out.println("阿三大苏打实打实的");
            System.out.println(StringUtils.isEmpty(end));
            System.out.println(end);
            wrapper.le("gmt_create",end);
        }

        wrapper.orderByDesc("gmt_create");

        //调用方法实现分页
        //调用方法，底层封装，把分页所有数据封装到pageTeacher对象里面
        teacherService.page(pageTeacher,wrapper);

        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();  //数据list集合

        return R.ok().data("total",total).data("rows",records);


    }

    //添加讲师的方法
    @ApiOperation(value = "添加讲师")
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if (save){
            return R.ok();
        }else {
            return R.error();
        }
    }
    //根据讲师id进行查询
    @ApiOperation(value = "根据id查询讲师")
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id){

        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    //讲师修改功能
    @ApiOperation(value = "修改讲师")
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = teacherService.updateById(eduTeacher);
        if (flag){
            return R.ok();
        }else {
            return R.error();
        }
    }

}

